20677146324 has 48 divisors (see below), whose sum is σ = 49493535168. Its totient is φ = 6715070208.

The previous prime is 20677146317. The next prime is 20677146377. The reversal of 20677146324 is 42364177602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154384 + ... + 255320.

It is an arithmetic number, because the mean of its divisors is an integer number (1031115316).

Almost surely, 2^20677146324 is an apocalyptic number.

It is an amenable number.

20677146324 is an abundant number, since it is smaller than the sum of its proper divisors (28816388844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20677146324 is a wasteful number, since it uses less digits than its factorization.

20677146324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101384 (or 101382 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 20677146324 in words is "twenty billion, six hundred seventy-seven million, one hundred forty-six thousand, three hundred twenty-four".